1
0
mirror of https://github.com/undera/pylgbst.git synced 2020-11-18 19:37:26 -08:00

Working on color and distance sensor

This commit is contained in:
Andrey Pohilko 2017-09-14 19:55:30 +03:00
parent 5ec9d52ce1
commit d2d8fd54a7
5 changed files with 114 additions and 56 deletions

23
demo.py
View File

@ -24,7 +24,7 @@ def demo_tilt_sensor_simple(movehub):
def demo_tilt_sensor_precise(movehub):
log.info("Tilt sensor precise test. Turn device in different ways.")
demo_tilt_sensor_simple.cnt = 0
limit = 100
limit = 50
def callback(pitch, roll, yaw):
demo_tilt_sensor_simple.cnt += 1
@ -40,7 +40,7 @@ def demo_tilt_sensor_precise(movehub):
def demo_led_colors(movehub):
# LED colors demo
log.info("LED colors demo")
for color in COLORS.keys():
for color in COLORS.keys()[1:] + [COLOR_BLACK]:
log.info("Setting LED color to: %s", COLORS[color])
movehub.led.set_color(color)
sleep(1)
@ -110,6 +110,22 @@ def vernie_head(movehub):
sleep(2)
def demo_color_sensor(movehub):
log.info("Color sensor test: give it 3 things to detect color")
demo_color_sensor.cnt = 0
def callback(color, distance):
demo_color_sensor.cnt += 1
clr = COLORS[color] if color in COLORS else None
log.info("#%s: Color %s, distance %s", demo_color_sensor.cnt, clr, distance)
movehub.color_distance_sensor.subscribe(callback)
while demo_color_sensor.cnt < 300:
time.sleep(1)
movehub.color_distance_sensor.unsubscribe(callback)
def demo_all(movehub):
demo_led_colors(movehub)
demo_motors_timed(movehub)
@ -117,6 +133,7 @@ def demo_all(movehub):
demo_port_cd_motor(movehub)
demo_tilt_sensor_simple(movehub)
demo_tilt_sensor_precise(movehub)
demo_color_sensor(movehub)
if __name__ == '__main__':
@ -129,7 +146,7 @@ if __name__ == '__main__':
connection = BLEConnection().connect()
hub = MoveHub(connection)
demo_tilt_sensor_precise(hub)
demo_color_sensor(hub)
# demo_all(hub)

View File

@ -7,12 +7,12 @@ log = logging.getLogger('movehub')
class MoveHub(object):
"""
:type connection: pylegoboost.comms.Connection
:type connection: pylgbst.comms.Connection
:type devices: dict[int,Peripheral]
:type led: LED
:type tilt_sensor: TiltSensor
:type button: Button
:type color_distance_sensor: ColorDistanceSensor
:type color_distance_sensor: pylgbst.peripherals.ColorDistanceSensor
:type external_motor: EncodedMotor
:type port_C: Peripheral
:type port_D: Peripheral
@ -67,35 +67,36 @@ class MoveHub(object):
"""
orig = data
if handle == MOVE_HUB_HARDWARE_HANDLE:
data = data[3:]
log.debug("Notification on %s: %s", handle, str2hex(orig))
msg_type = get_byte(data, 2)
if msg_type == MSG_PORT_INFO:
self._handle_port_info(data)
elif msg_type == MSG_PORT_STATUS:
self._handle_port_status(data)
elif msg_type == MSG_SENSOR_DATA:
self._handle_sensor_data(data)
elif msg_type == MSG_SENSOR_SUBSCRIBE_ACK:
log.debug("Sensor subscribe ack on port %s", PORTS[get_byte(data, 3)])
elif msg_type == MSG_PORT_CMD_ERROR:
log.warning("Command error: %s", str2hex(data[3:]))
else:
log.warning("Unhandled msg type 0x%x: %s", msg_type, str2hex(orig))
else:
if handle != MOVE_HUB_HARDWARE_HANDLE:
log.warning("Unsupported notification handle: 0x%s", handle)
return
data = data[3:]
log.debug("Notification on %s: %s", handle, str2hex(orig))
msg_type = get_byte(data, 2)
if msg_type == MSG_PORT_INFO:
self._handle_port_info(data)
elif msg_type == MSG_PORT_STATUS:
self._handle_port_status(data)
elif msg_type == MSG_SENSOR_DATA:
self._handle_sensor_data(data)
elif msg_type == MSG_SENSOR_SUBSCRIBE_ACK:
log.debug("Sensor subscribe ack on port %s", PORTS[get_byte(data, 3)])
elif msg_type == MSG_PORT_CMD_ERROR:
log.warning("Command error: %s", str2hex(data[3:]))
else:
log.warning("Unhandled msg type 0x%x: %s", msg_type, str2hex(orig))
def _handle_sensor_data(self, data):
port = get_byte(data, 3)
if port not in self.devices:
log.warning("Notification on port with no device: %s", PORTS[port])
return
sensor = self.devices[port]
if isinstance(sensor, TiltSensor):
sensor.handle_notification(data)
device = self.devices[port]
device.handle_notification(data)
def _handle_port_status(self, data):
port = get_byte(data, 3)
@ -122,11 +123,11 @@ class MoveHub(object):
if dev_type == TYPE_MOTOR:
self.devices[port] = EncodedMotor(self, port)
elif dev_type == TYPE_IMOTOR:
self.devices[port] = EncodedMotor(self, port)
self.external_motor = self.devices[port]
self.external_motor = EncodedMotor(self, port)
self.devices[port] = self.external_motor
elif dev_type == TYPE_DISTANCE_COLOR_SENSOR:
self.devices[port] = ColorDistanceSensor(self, port)
self.color_distance_sensor = self.devices[port]
self.color_distance_sensor = ColorDistanceSensor(self, port)
self.devices[port] = self.color_distance_sensor
elif dev_type == TYPE_LED:
self.devices[port] = LED(self, port)
elif dev_type == TYPE_TILT_SENSOR:

View File

@ -10,7 +10,7 @@ ENABLE_NOTIFICATIONS_VALUE = b'\x01\x00'
PACKET_VER = 0x01
# COLORS
COLOR_OFF = 0x00
COLOR_BLACK = 0x00
COLOR_PINK = 0x01
COLOR_PURPLE = 0x02
COLOR_BLUE = 0x03
@ -22,7 +22,7 @@ COLOR_ORANGE = 0x09
COLOR_RED = 0x09
COLOR_WHITE = 0x0a
COLORS = {
COLOR_OFF: "OFF",
COLOR_BLACK: "BLACK",
COLOR_PINK: "PINK",
COLOR_PURPLE: "PURPLE",
COLOR_BLUE: "BLUE",

View File

@ -2,7 +2,7 @@ import logging
import struct
import time
from pylgbst import get_byte, int2byte
from pylgbst import get_byte, int2byte, str2hex
from pylgbst.constants import *
log = logging.getLogger('peripherals')
@ -33,10 +33,6 @@ class Peripheral(object):
self.parent.connection.write(MOVE_HUB_HARDWARE_HANDLE,
int2byte(len(cmd) + 1) + cmd) # should we +1 cmd len here?
def _set_port_val(self, value):
# FIXME: became obsolete
self._write_to_hub(MSG_SET_PORT_VAL, value)
def started(self):
self.working = True
@ -47,14 +43,21 @@ class Peripheral(object):
for subscriber in self._subscribers:
subscriber(*args, **kwargs)
def handle_notification(self, data):
log.warning("Unhandled device notification for %s: %s", self, str2hex(data))
class LED(Peripheral):
def set_color(self, color):
if color not in COLORS:
raise ValueError("Color %s is not in list of available colors" % color)
cmd = b'\x11\x51\x00' + int2byte(color)
self._set_port_val(cmd)
cmd = b'\xFF\x51\x00' + int2byte(color)
self._write_to_hub(MSG_SET_PORT_VAL, cmd)
def finished(self):
super(LED, self).finished()
log.debug("LED has changed color")
class EncodedMotor(Peripheral):
@ -89,7 +92,7 @@ class EncodedMotor(Peripheral):
command += self.TRAILER
self._set_port_val(command)
self._write_to_hub(MSG_SET_PORT_VAL, command)
def timed(self, seconds, speed_primary=1, speed_secondary=None, async=False):
if speed_secondary is None:
@ -128,19 +131,22 @@ class TiltSensor(Peripheral):
super(TiltSensor, self).__init__(parent, port)
self.mode = None
def subscribe(self, callback, mode=TILT_SENSOR_MODE_BASIC, threshold=1):
def subscribe(self, callback, mode=TILT_SENSOR_MODE_BASIC, granularity=1):
self.mode = mode
params = int2byte(self.mode)
params += int2byte(threshold)
params += int2byte(granularity)
params += self.TRAILER
params += int2byte(1) # enable
self._write_to_hub(MSG_SENSOR_SUBSCRIBE, params + self.TRAILER)
self._write_to_hub(MSG_SENSOR_SUBSCRIBE, params)
self._subscribers.add(callback)
def unsubscribe(self, callback):
self._subscribers.remove(callback)
def unsubscribe(self, callback=None):
if callback in self._subscribers:
self._subscribers.remove(callback)
if not self._subscribers:
self._write_to_hub(MSG_SENSOR_SUBSCRIBE, int2byte(self.mode) + self.TRAILER + int2byte(0))
self._write_to_hub(MSG_SENSOR_SUBSCRIBE, int2byte(self.mode) + b'\x00\x00\x00' + int2byte(0))
def handle_notification(self, data):
if self.mode == TILT_SENSOR_MODE_BASIC:
@ -173,7 +179,29 @@ class TiltSensor(Peripheral):
class ColorDistanceSensor(Peripheral):
pass
def subscribe(self, callback):
params = b'\x08\x01\x00\x00\x00'
params += int2byte(1) # enable
self._write_to_hub(MSG_SENSOR_SUBSCRIBE, params)
self._subscribers.add(callback)
def unsubscribe(self, callback=None):
if callback in self._subscribers:
self._subscribers.remove(callback)
if not self._subscribers:
self._write_to_hub(MSG_SENSOR_SUBSCRIBE, b'\x08\x01\x00\x00\x00' + int2byte(0))
def handle_notification(self, data):
color = get_byte(data, 4)
distance = get_byte(data, 5)
partial = get_byte(data, 7)
if partial:
distance += 1.0 / partial
self._notify_subscribers(color if color != 0xFF else None, float(distance))
# 0a00 41 01 01 enable
class Button(Peripheral):

View File

@ -1,12 +1,6 @@
import logging
import time
import unittest
from threading import Thread
from pylgbst import MoveHub, COLOR_RED, LED, EncodedMotor, PORT_AB
from pylgbst.comms import Connection, str2hex, hex2str
from pylgbst.constants import PORT_LED, TILT_STATES, TILT_SENSOR_MODE_2AXIS_FULL, TILT_SENSOR_MODE_2AXIS_SIMPLE, \
MOVE_HUB_HARDWARE_HANDLE
from pylgbst import *
HANDLE = MOVE_HUB_HARDWARE_HANDLE
@ -103,7 +97,7 @@ class GeneralTest(unittest.TestCase):
self._wait_notifications_handled(hub)
hub.tilt_sensor.unsubscribe(callback)
# self.assertEquals("0a01413a000100000001", hub.connection.writes[0][1])
# TODO: assert
def test_motor(self):
conn = ConnectionMock()
@ -132,3 +126,21 @@ class GeneralTest(unittest.TestCase):
hub = MoveHub(conn)
# demo_all(hub)
self._wait_notifications_handled(hub)
def test_color_sensor(self):
#
hub = HubMock()
hub.connection.notifications.append((HANDLE, '1b0e000f0004010125000000001000000010'))
time.sleep(1)
def callback(color, unk1, unk2):
name = COLORS[color] if color is not None else 'NONE'
log.info("Color: %s %s %s", name, unk1, unk2)
hub.color_distance_sensor.subscribe(callback)
hub.connection.notifications.append((HANDLE, "1b0e0008004501ff0aff00"))
time.sleep(1)
# TODO: assert
self._wait_notifications_handled(hub)
hub.color_distance_sensor.unsubscribe(callback)